FJ Dynamics Rough Ranger Modular Robotic Mower

FJDynamics Rough Ranger: Product Overview & Technical Specifications The FJDynamics Rough Ranger is a heavy-duty, multi-functional autonomous lawn and turf care platform. Designed as a modular utility system for large-scale operations—such as golf course roughs, driving ranges, and sports complexes—the Rough Ranger combines RTK GNSS and LiDAR positioning with interchangeable attachment kits for mowing, golf ball picking, line marking, grass collection, and dew brushing. Key Technical Specifications Feature Specification Model FJDynamics Rough Ranger Versatile Mower Navigation System RTK GNSS + 360° LiDAR + Physical Safety Bumpers Boundary Type Virtual Wire (RTK/LiDAR digital perimeter mapping) Cutting Width 635 mm (25.0 in) Modular Functional Kits Mowing deck, ball picking, line marking, grass collection, dew brushing Coverage (Per Charge) Up to 12,000 m² (3.0 acres) Coverage (72 Hours - Standard) Up to 93,600 m² (23.1 acres) Coverage (72 Hours - Fast Mode) Up to 108,000 m² (26.7 acres) Battery Capacity 4 kWh (48V DC rated) Runtime per Charge Up to 5 hours (300 minutes) Charge Time 3 hours (fast charge) / 5 hours (standard charge) Travel Speed 0 to 6.0 km/h (0 to 3.7 mph) Max Slope Gradient Up to 20° (recommended operational limit: 15°) Dimensions (L × W × H) 1345 × 855 × 970 mm (53.0 × 33.7 × 38.2 in) Unit Weight 170 kg (375 lbs) IP Rating IPX4 Operating Temperature 0°C to 45°C (32°F to 113°F) Connectivity 4G, Wireless Connectivity Core Systems & Architecture 1. Navigation & Safety Infrastructure RTK + LiDAR Guidance: Employs centimeter-level Real-Time Kinematic (RTK) positioning backed by 360° LiDAR to maintain course navigation under dense tree canopies and signal-obscured areas. Obstacle & Safety Coverage: Integrates active 360° LiDAR sensing paired with front and rear physical safety bumpers to detect static and mobile obstacles. Boundary Management: Eliminates physical perimeter wires, establishing boundaries, transit paths, and non-mow zones via remote software mapping. 2. Multi-Task Modular Chassis Interchangeable Tooling System: Operates on an all-in-one base robot platform that swaps modules for varied facility tasks (mowing, driving range ball harvesting, athletic field line painting, sweeping/collection, and dew removal). Floating Cutter Deck: Designed with a floating cutting mechanism that follows ground contours to reduce turf scalping on uneven terrain. Independent Front Suspension: Absorbs ground movement across unlevel roughs and sports fields, maintaining continuous traction and even cutting/brushing output. 3. Power System & Charging 4 kWh Battery System: Runs on a 48V high-capacity lithium battery providing up to 5 hours of continuous operation per charging cycle. Flexible Power Options: Supports standard auto-docking charge cycles (5 hours) and fast-charge modes (3 hours) to minimize operational downtime. 4. Software & Fleet Integration GreenMaster & GolfMind Compatibility: Syncs with FJD cloud ecosystem software for multi-zone planning, automatic route generation, and real-time remote telemetry. Path Optimization: Calculates operational paths to limit field coverage overlap and reduce total runtime. Security Measures: Features built-in anti-theft tracking, PIN-protected authorization, and geofence breach alert protocols. Commercial Applications Golf Courses: Semi-roughs, roughs, fairways, driving range ball collection, and morning dew removal. Sports Facilities: Athletic fields requiring regular cutting and field line marking. Large Public & Commercial Grounds: Municipal parks, corporate campuses, and utility land management.